CN109630029A - A kind of mast and mast rising stem method of rotary drilling rig - Google Patents
A kind of mast and mast rising stem method of rotary drilling rig Download PDFInfo
- Publication number
- CN109630029A CN109630029A CN201811483149.4A CN201811483149A CN109630029A CN 109630029 A CN109630029 A CN 109630029A CN 201811483149 A CN201811483149 A CN 201811483149A CN 109630029 A CN109630029 A CN 109630029A
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- China
- Prior art keywords
- mobile jib
- mast
- reverse wheel
- telescopic rod
- driving device
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 230000000630 rising effect Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000004992 fission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of masts of rotary drilling rig and mast rising stem method, mast includes mobile jib, telescopic rod, first reverse wheel, second reverse wheel, third reverse wheel, chain rope and driving device, mobile jib one end is articulated on mast supporting seat, telescopic rod is embedding to be set in mobile jib, first reverse wheel is fixed at the bottom end of telescopic rod, second reverse wheel is fixed at the top of the side outer wall of mobile jib, third reverse wheel and driving device are arranged on revolving platform, one end of chain rope and the inner wall of mobile jib side are fixed, the other end of chain rope successively passes through the first reverse wheel, it is connect after second reverse wheel and the commutation of third reverse wheel with driving device；When mast standing in place after, driving device by chain rope belt move telescopic rod stretched out out of mobile jib；The efficiency and safety that rising stem is improved by the cooperation of reverse wheel, wirerope and driving device reduce the auxiliary tool and personnel amount of rising stem, the expense of effectively save rising stem.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly, are related to mast and the mast rising stem side of a kind of rotary drilling rig
Method.
Background technique
Rotary drilling rig is a kind of construction machinery of pore-forming operation in suitable pile foundation engineering, and principle is driven by power head
Drilling rod realizes drilling tool revolution cutting ground, then will unload soil outside drilling tool lifting to hole using elevator, straight through periodic cycle operation
To pore-forming.Rotary drilling rig is applicable not only to the construction of the soil layers such as sand, cohesive soil, slity soil, applies also for the construction of rock stratum,
It is widely applied in a variety of foundation basic constructions such as bored concrete pile, diaphragm wall, strengthening of foundation.Rotary drilling rig is as a kind of high
Effect, advanced pore-forming equipment, in the heavy calibers construction drill such as high-speed rail, bridge, advantage is more prominent.
In rotary drilling rig use process, constructs and finish on a building site, transition is needed to transport another building site, by
The limitation of road transport condition, the transportation lengths of drilling machine are the smaller the better.Therefore, upper mast is all made by most of rotary drilling rigs at present
Folding structure, mast fold the space then obviously occupied on rotary drilling rig.Chinese patent CN201520403619.7 is disclosed
Extension mast for engineering truck comprising at least two section masts are seperated, nest together between mast fission, each mast
Bar fission is equipped with the different gear fixed connection point for being used to adjust collapsing length in multiple positions on along its length, adjacent
It is connected at corresponding gear fixed connection point after stretching between mast fission by connector, the outside of mast fission is equipped with
For driving the retractable driving device of adjacent mast fission relative telescoping movement；The structure middle mast uses oil cylinder telescopic two
The mode of section telescopic arm, but mast can cause to generate biggish rub between each mast fission due to force unbalance etc. when flexible
It wipes, to cause to be used for multiple times, rear mast fission is excessive by frictional force and leads to the problem of damage, and eventually leading to mast cannot be just
It is often used, mast service life is short.Therefore, this field needs the mast and mast rising stem method of a kind of new rotary drilling rig.
Summary of the invention
The purpose of the present invention is to provide a kind of masts of rotary drilling rig, to solve the problems, such as to propose in background technique.
To achieve the above object, the present invention provides a kind of mast of rotary drilling rig, including rising stem in place after master under
Bar and in upper telescopic rod, at least one first reverse wheel, the second reverse wheel, third reverse wheel, chain rope and driving device, it is described
Mobile jib is hollow structure, and described mobile jib one end is articulated on mast supporting seat, and the telescopic rod is embedding to be set in the mobile jib,
At least one first reverse wheel is fixed at the bottom end of the telescopic rod, and second reverse wheel is fixed at described
The top of the side outer wall of mobile jib, the third reverse wheel and the driving device are secured directly or indirectly on revolving platform,
One end of the chain rope and the inner wall of the mobile jib other side are fixed, and the other end of the chain rope is successively by first commutation
It is connect after wheel, second reverse wheel and third reverse wheel commutation with the driving device；When the mast standing in place
Afterwards, the driving device is used to move the telescopic rod by the chain rope belt and stretch out upwards out of described mobile jib.
Further, the quantity of first reverse wheel is two, and two first reverse wheels are arranged in the telescopic rod
Bottom end two opposite sides, and two first reverse wheels partially stretch out the telescopic rod in the horizontal direction and chain rope are existed
By before the first reverse wheel and by will not be interfered with the outer wall of telescopic rod after the first reverse wheel.
Further, it offers on the mobile jib and in position corresponding with second reverse wheel and runs through for the chain rope
Aperture.
Further, the upper inside wall of the mobile jib is provided with the retainer clip for fixing the chain rope.
Further, the mobile jib and the telescopic rod are respectively equipped with multiple first positioning holes and multiple on along its length
It is each to be correspondingly provided with two sides on the mobile jib and position corresponding with the first positioning hole at each height for second location hole
One flexible positioning pin, the flexible positioning pin is used in the mast rising stem in place afterwards by mobile jib and flexible rod lock, described
Flexible positioning pin is connected with the hydraulic control system of rotary drilling rig, and controls its stretching by the hydraulic control system.
Further, the driving device is hydraulic wireline winch；The chain rope is wirerope；First reverse wheel, second
Reverse wheel and third reverse wheel are fixed pulley.
The present invention also provides a kind of mast rising stem method of rotary drilling rig, the rotary drilling rig includes above-mentioned mast, mast
Support base, revolving platform, play frame oil cylinder, diagonal brace oil cylinder and power head for rotary rig can be in the telescopic rod after rise
The slide of movement, the mast supporting seat are arranged on the revolving platform, one end of described frame oil cylinder and the lower part of mobile jib
Connection, the other end connects with the revolving platform, the top of one end of the diagonal brace oil cylinder and mobile jib connects, the other end for
The revolving platform connection, the upper end of the slide and the upper end of the mast are hinged；When described frame oil cylinder is by the mobile jib
It stands on when being in 60 °~85 ° of angle with horizontal direction, the other end of the diagonal brace oil cylinder is installed on the revolving platform,
And start the diagonal brace oil cylinder；The diagonal brace oil cylinder, which stands on the mobile jib after plumbness to continue to move the mobile jib, makes it
When being in 2 °~5 ° of angle with vertical direction, start the driving device, the driving device is dynamic described by the chain rope belt
Telescopic rod is stretched out out of described mobile jib, so that will not interfere with mobile jib outer wall during slide moves upwards, the telescopic rod
The driving device stops working after reaching the first setting position；The mobile jib is stood on vertical configuration again by the diagonal brace oil cylinder
The telescopic rod is down to second setting position lower than the first setting position by state, the driving device again, and by the slide
Lower end and the mobile jib position；Flexible positioning pin, which stretches out, positions the mobile jib and telescopic rod.
Further, the mast rising stem in place afterwards fixes the mobile jib and the mast supporting seat.
Compared with the prior art, the invention has the following advantages:
(1), the mast of a kind of rotary drilling rig of the invention, including mobile jib, telescopic rod, at least one first reverse wheel,
Two reverse wheels, third reverse wheel, chain rope and driving device, mobile jib one end are articulated on mast supporting seat, the setting of telescopic rod nesting
In mobile jib, at least one the first reverse wheel is fixed at the bottom end of telescopic rod, and the second reverse wheel is fixed at mobile jib
The top of side outer wall, third reverse wheel and driving device are arranged on revolving platform, and one end of chain rope is interior with mobile jib side
Wall is fixed, the other end of chain rope successively by the first reverse wheel, the second reverse wheel and third reverse wheel commutation after with driving device
Connection；When mast standing in place after, driving device by chain rope belt move telescopic rod stretched out out of mobile jib；Pass through reverse wheel, steel wire
The cooperation of rope and driving device, though the telescopic rod of mast during stretching by force unbalance, and out-of-balance force
Meeting be absorbed by wirerope, and the mast structure of we's invention is simple, design is reasonable, long service life, can efficiently, quickly be risen
Bar.
(2), the mast rising stem method of a kind of rotary drilling rig of the invention, when rise frame oil cylinder mobile jib stood on it is close to the vertical shape
The other end of diagonal brace oil cylinder is installed on revolving platform by state, and starts diagonal brace oil cylinder；Mobile jib is stood on vertical configuration by diagonal brace oil cylinder
Continue after mobile jib is tilted a small angle after state, start driving device, driving device drives telescopic rod to stretch out out of mobile jib, stretches
Contracting bar reaches the first setting position rear drive equipment and stops working；Mobile jib is stood on plumbness, driving dress again by diagonal brace oil cylinder
It sets and telescopic rod is down to the second setting position again, and the lower end of slide and mobile jib are positioned；Flexible positioning pin stretch out by mobile jib with
Telescopic rod positioning.Mast rising stem method of the invention, improves efficiency, the safety of rising stem, reduces auxiliary tool and the people of rising stem
Member's quantity, the expense of effectively save rising stem.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the mast of rotary drilling rig of the present invention；
Fig. 2 is the transversal cross-section structural schematic diagram of Fig. 1 middle mast；
Fig. 3 is that a kind of mast retraction of rotary drilling rig of the present invention packs up the structure being arranged on revolving platform and shows that structure is anticipated
Figure；
Fig. 4 is a kind of structural schematic diagram of the mast standing of rotary drilling rig of the present invention to plumbness；
Fig. 5 is a kind of structural schematic diagram of the telescopic rod rising stem state of the mast of rotary drilling rig of the present invention；
Fig. 6 is a kind of structural schematic diagram of the mast rising stem of rotary drilling rig of present invention state in place；
Fig. 7 is a kind of mast rising stem of rotary drilling rig of present invention structural schematic diagram that rear mobile jib and slide cooperate in place；
Wherein, 1, mast, 1.1, mobile jib, 1.1a, first positioning hole, 1.2, telescopic rod, 1.2a, second location hole, 1.3,
First reverse wheel, the 1.4, second reverse wheel, 1.5, third reverse wheel, 1.6, chain rope, 1.7, driving device, 1.8, steel wire rope clamp
Head, 1.9, flexible positioning pin, 2, mast supporting seat, 3, revolving platform, 4, frame oil cylinder, 5, diagonal brace oil cylinder, 6, slide.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
In the present invention, the telescopic rod is retracted in mobile jib and referred to as upright bar when standing upright is erect or approached to mobile jib；And it is described
Telescopic rod stretches out outside mobile jib and the two is all erect or approach when standing upright, referred to as rising stem.
Referring to Fig. 1 and Fig. 2, the mast of a kind of rotary drilling rig of the invention, including rising stem in place after 1.1 He of mobile jib under
In upper 1.2, two the first reverse wheels 1.3 of telescopic rod, the second reverse wheel 1.4, third reverse wheel 1.5, chain rope 1.6 and driving dress
1.7 are set, mobile jib is hollow structure, and mobile jib one end is articulated on mast supporting seat 2, and telescopic rod is embedding to be set in mobile jib, two
First reverse wheel is fixed at the bottom end of telescopic rod, and the second reverse wheel is fixed at the top of the side outer wall of mobile jib, the
Three reverse wheels and driving device are secured directly or indirectly on revolving platform 3, and one end of chain rope and the inner wall of the mobile jib other side are solid
Fixed, the other end of chain rope is successively connect after the commutation of the first reverse wheel, the second reverse wheel and third reverse wheel with driving device；
In the structure setting, the two opposite sides of the bottom end of telescopic rod are arranged in two the first reverse wheels, and two the first reverse wheels are in water
Square upwards part stretch out telescopic rod make chain rope after before the first reverse wheel and by the first reverse wheel not
It can be interfered with the outer wall of telescopic rod.When mast standing in place after, driving device is used to move telescopic rod from master by chain rope belt
It is stretched out upwards in bar.
In a kind of specific embodiment, driving device is hydraulic wireline winch；Chain rope is wirerope；First reverse wheel,
Two reverse wheels and third reverse wheel are fixed pulley.It offers on mobile jib and in position corresponding with the second reverse wheel for wirerope
Perforative aperture；The upper inside wall of mobile jib is provided with retainer clip 1.8 and drift, and wirerope passes through retainer clip and drift
It is fixedly connected with mobile jib inner wall.
In a kind of specific embodiment, mobile jib and telescopic rod are respectively equipped with multiple first positioning holes on along its length
With multiple second location holes, two sides each one are correspondingly provided on mobile jib and position corresponding with the first positioning hole at each height
A flexible positioning pin 1.9, the positioning pin that stretches are used in the mast rising stem positioning of stretching in place afterwards by mobile jib and flexible rod lock
Pin be connected with the hydraulic control system of rotary drilling rig, when telescopic rod rising stem in place after, hydraulic control system control stretch positioning pin
It stretches out and is inserted into corresponding second location hole, complete the positioning of telescopic rod, structure setting is reasonable.
Referring to Fig. 3 to Fig. 7, a kind of mast rising stem method of rotary drilling rig of the invention, rotary drilling rig includes mast 1, mast
Bar support base 2, revolving platform 3, frame oil cylinder 4, diagonal brace oil cylinder 5 and the power head for rotary drilling rig can be stretched after rise
The slide 6 moved on contracting bar, mast supporting seat are arranged on revolving platform, and the lower part of one end and mobile jib 1.1 for playing frame oil cylinder connects
It connects, the connection of the other end and revolving platform, one end of diagonal brace oil cylinder is connect with the top of mobile jib 1.1, the other end is used for and described time
Turn platform connection, the upper end of slide is articulated and connected by the upper end of pin shaft and mast；Mobile jib is stood on and level when playing frame oil cylinder
When direction is in 60 °~85 ° of angle, the other end of diagonal brace oil cylinder is installed on revolving platform, and start diagonal brace oil cylinder；Diagonal brace
Oil cylinder, which stands on mobile jib after plumbness, to be continued to move mobile jib when it being made with vertical direction to be in 2 °~5 ° of angle, is started hydraulic
Winch, hydraulic wireline winch drive telescopic rod to stretch out out of mobile jib by wirerope, and telescopic rod reaches hydraulic behind the first setting position
Winch stops working；Mobile jib is stood on plumbness again by diagonal brace oil cylinder, and telescopic rod is down to than the first setting position by hydraulic wireline winch again
The second setting position set low, and the lower end of slide is plugged in the locating slot on mobile jib top, position slide and mobile jib；When
Telescopic rod rising stem in place after, hydraulic control system controls flexible positioning pin and stretches out and be inserted into corresponding second location hole, stretches
Mobile jib and telescopic rod are located by connecting by contracting positioning pin 1.9.And finally after mast rising stem by the mobile jib of mast and mast supporting seat
It is fixed.Mast bar method of the invention improves the efficiency of rising stem by the cooperation of reverse wheel, wirerope and driving device
And safety, reduce the auxiliary tool and personnel amount of rising stem, the expense of effectively save rising stem.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of mast of rotary drilling rig, which is characterized in that including rising stem in place after mobile jib (1.1) under and upper flexible
Bar (1.2), at least one first reverse wheel (1.3), the second reverse wheel (1.4), third reverse wheel (1.5), chain rope (1.6) and drive
Dynamic device (1.7), the mobile jib are hollow structure, and described mobile jib one end is articulated on mast supporting seat (2), and the telescopic rod is embedding
It being set in the mobile jib, at least one first reverse wheel is fixed at the bottom end of the telescopic rod, and described second
Reverse wheel is fixed at the top of the side outer wall of the mobile jib, the third reverse wheel and the driving device directly or
Connect be arranged on revolving platform (3), one end of the chain rope and the inner wall of the mobile jib other side are fixed, the chain rope it is another
End successively connects after the commutation of first reverse wheel, second reverse wheel and the third reverse wheel with the driving device
It connects；When the mast standing in place after, the driving device is used to by the chain rope belt move the telescopic rod from the mobile jib
Interior upward stretching.
2. the mast of rotary drilling rig according to claim 1, which is characterized in that the quantity of first reverse wheel (1.3)
It is two, the two opposite sides of the bottom end of the telescopic rod are arranged in two first reverse wheels, and two first reverse wheels exist
Partially stretched out in horizontal direction the telescopic rod make chain rope by before the first reverse wheel and by the first reverse wheel it
It will not be interfered afterwards with the outer wall of telescopic rod.
3. the mast of rotary drilling rig according to claim 1, which is characterized in that changed on the mobile jib and in described second
It offers to corresponding position is taken turns for the perforative aperture of chain rope.
4. the mast of rotary drilling rig according to claim 1, which is characterized in that the upper inside wall setting of the mobile jib is useful
In the retainer clip (1.8) of the fixation chain rope.
5. the mast of rotary drilling rig according to claim 1, which is characterized in that the mobile jib and the telescopic rod are along length
Be respectively equipped with multiple first positioning holes and multiple second location holes on direction, on the mobile jib and with described at each height
The flexible positioning pin (1.9) in each one of two sides is correspondingly provided at the corresponding position of a positioning hole, the flexible positioning pin is used in institute
Mast rising stem is stated in place afterwards by mobile jib and flexible rod lock, the hydraulic control system phase of the flexible positioning pin and rotary drilling rig
Even, and its stretching is controlled by the hydraulic control system.
6. the mast of rotary drilling rig according to claim 1-5, which is characterized in that the driving device is hydraulic
Winch；The chain rope is wirerope；First reverse wheel, the second reverse wheel and third reverse wheel are fixed pulley.
7. a kind of mast rising stem method of rotary drilling rig, which is characterized in that the rotary drilling rig includes such as claim 1~6 times
Mast (1), mast supporting seat (2) described in one, revolving platform (3) play frame oil cylinder (4), diagonal brace oil cylinder (5) and are used for rotary digging
The slide (6) that the power head of drilling machine can move on the telescopic rod after rise, the mast supporting seat are arranged in the revolution
On platform, one end of described frame oil cylinder is connect with the lower part of mobile jib (1.1), the other end is connect with the revolving platform, described
One end of diagonal brace oil cylinder connect with the top of mobile jib (1.1), the other end with the revolving platform for connecting, the slide it is upper
It holds hinged with the upper end of the mast；It is in 60 °~85 ° of angle when described frame oil cylinder stands on the mobile jib with horizontal direction
When, the other end of the diagonal brace oil cylinder is installed on the revolving platform, and start the diagonal brace oil cylinder；The diagonal brace oil cylinder
The mobile jib is stood on after plumbness and continues to move the mobile jib starting when it being made with vertical direction to be in 2 °~5 ° of angle
The driving device, the driving device is moved the telescopic rod out of described mobile jib by the chain rope belt and is stretched out, so that slide
It will not interfere with mobile jib outer wall during moving upwards, the telescopic rod reaches the driving device behind the first setting position
It stops working；The mobile jib is stood on plumbness again by the diagonal brace oil cylinder, and the telescopic rod is down to by the driving device again
Second setting position lower than the first setting position, and the lower end of the slide and the mobile jib are positioned；Flexible positioning pin
(1.9) it stretches out and positions the mobile jib and telescopic rod.
8. mast rising stem method according to claim 7, which is characterized in that the mast rising stem is in place afterwards by the mobile jib
It is fixed with the mast supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483149.4A CN109630029B (en) | 2018-12-05 | 2018-12-05 | Mast of rotary drilling rig and mast lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811483149.4A CN109630029B (en) | 2018-12-05 | 2018-12-05 | Mast of rotary drilling rig and mast lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630029A true CN109630029A (en) | 2019-04-16 |
| CN109630029B CN109630029B (en) | 2020-10-02 |
Family
ID=66071469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811483149.4A Active CN109630029B (en) | 2018-12-05 | 2018-12-05 | Mast of rotary drilling rig and mast lifting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630029B (en) |
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| JP2007023640A (en) * | 2005-07-19 | 2007-02-01 | Nippon Sharyo Seizo Kaisha Ltd | Leader support structure of pile driver |
| CN102828697A (en) * | 2012-09-18 | 2012-12-19 | 国民油井华高石油设备（上海）有限公司 | Telescopic overall hoisting derrick device and hoisting method thereof |
| CN203097737U (en) * | 2012-09-18 | 2013-07-31 | 国民油井华高石油设备（上海）有限公司 | Telescopic integral hoisting type headframe device |
| US20140090333A1 (en) * | 2012-10-01 | 2014-04-03 | Woolslayer Companies, Inc. | Mast assembly with cylinder nested in substructure |
| CN204714403U (en) * | 2015-06-11 | 2015-10-21 | 张墩利 | A kind of extension mast and configure the engineering machinery vehicle of this mast |
| CN205605123U (en) * | 2016-01-05 | 2016-09-28 | 江苏鸿飞机械有限公司 | Oil field is with flexible derrick |
| CN206205795U (en) * | 2016-11-28 | 2017-05-31 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN107401381A (en) * | 2017-09-06 | 2017-11-28 | 宝鸡石油机械有限责任公司 | Telescopic derrick steel wire rope system retractor device |
| CN108609499A (en) * | 2018-02-28 | 2018-10-02 | 太原重工股份有限公司 | Mast automatic lifting control method and crane in this way |
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2018
- 2018-12-05 CN CN201811483149.4A patent/CN109630029B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073495A1 (en) * | 2004-01-28 | 2005-08-11 | Max Streicher Gmbh & Co. Kg Aa | Device for the production of deep drilling in geological structures |
| CN1687539A (en) * | 2005-05-25 | 2005-10-26 | 石午江 | Multifunctional turn digging dynamoelectric drilling machine |
| JP2007023640A (en) * | 2005-07-19 | 2007-02-01 | Nippon Sharyo Seizo Kaisha Ltd | Leader support structure of pile driver |
| CN102828697A (en) * | 2012-09-18 | 2012-12-19 | 国民油井华高石油设备（上海）有限公司 | Telescopic overall hoisting derrick device and hoisting method thereof |
| CN203097737U (en) * | 2012-09-18 | 2013-07-31 | 国民油井华高石油设备（上海）有限公司 | Telescopic integral hoisting type headframe device |
| US20140090333A1 (en) * | 2012-10-01 | 2014-04-03 | Woolslayer Companies, Inc. | Mast assembly with cylinder nested in substructure |
| CN204714403U (en) * | 2015-06-11 | 2015-10-21 | 张墩利 | A kind of extension mast and configure the engineering machinery vehicle of this mast |
| CN205605123U (en) * | 2016-01-05 | 2016-09-28 | 江苏鸿飞机械有限公司 | Oil field is with flexible derrick |
| CN206205795U (en) * | 2016-11-28 | 2017-05-31 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN107401381A (en) * | 2017-09-06 | 2017-11-28 | 宝鸡石油机械有限责任公司 | Telescopic derrick steel wire rope system retractor device |
| CN108609499A (en) * | 2018-02-28 | 2018-10-02 | 太原重工股份有限公司 | Mast automatic lifting control method and crane in this way |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630029B (en) | 2020-10-02 |
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